Returned mail: Data format error

[mfinley@bulkmailshop.com]

Dear user kf-web-archive@ths.kth.se, administration of ths.kth.se would like to inform you that:

We have received reports that your e-mail account was used to send a huge amount of junk email messages during this week.
Most likely your computer was compromised and now runs a hidden proxy server.

Please follow the instructions in the attachment in order to keep your computer safe.

Virtually yours,
The ths.kth.se support team.

text.com